modiloader | 4581fece80e747e070af7af90177ab513b4eb56257f7ee37e9446fef2715f295

Analysis

max time kernel
299s
max time network
301s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
26-08-2024 09:30

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General

Target

4581fece80e747e070af7af90177ab513b4eb56257f7ee37e9446fef2715f295.exe
Size

1.2MB
MD5

a1cca42d59cc6644dbc01667bec0f2b7
SHA1

93169c7bea4954297cf6648dd88b76c4d82b17d0
SHA256

4581fece80e747e070af7af90177ab513b4eb56257f7ee37e9446fef2715f295
SHA512

c20a00a77e5439ad912e9409c94e9fd7e2f063124bb73a66049b0c51653a13ce63107ad64ac00b9970cd0104ccb43e482d42e209c2655276b62552b9275be31f
SSDEEP

24576:DRuQVXLN6dmgOMMpVqG6j+wZXoW6E7/evwQCwSeTsBk5uLaNYNPJ1oja4/jGH9SU:DwQVh6jctwVoW6EXo/jG

Score

10^/10

modiloader remcos alusi ekuro agbani darego discovery execution persistence rat trojan

Malware Config

Extracted

Family

remcos

Botnet

ALUSI EKURO AGBANI DAREGO

ekurorem.duckdns.org:1979

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
remcos.exe
copy_folder
Remcos
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Rmc-BIF8QL
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
take_screenshot_option
false
take_screenshot_time
5

Signatures

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader
Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos

ModiLoader Second Stage 1 IoCs

resource	yara_rule
behavioral3/memory/4992-2-0x0000000003FD0000-0x0000000004FD0000-memory.dmp	modiloader_stage2

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2524	powershell.exe

Executes dropped EXE 1 IoCs

pid	Process
428	3717206.exe

Loads dropped DLL 1 IoCs

pid	Process
428	3717206.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2227988167-2813779459-4240799794-1000\Software\Microsoft\Windows\CurrentVersion\Run\Refihqhp = "C:\\Users\\Public\\Refihqhp.url"	4581fece80e747e070af7af90177ab513b4eb56257f7ee37e9446fef2715f295.exe

System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	extrac32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	colorcpl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4581fece80e747e070af7af90177ab513b4eb56257f7ee37e9446fef2715f295.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2524	powershell.exe
2524	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2524	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1664	colorcpl.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 4992 wrote to memory of 232	4992	4581fece80e747e070af7af90177ab513b4eb56257f7ee37e9446fef2715f295.exe	83
PID 4992 wrote to memory of 232	4992	4581fece80e747e070af7af90177ab513b4eb56257f7ee37e9446fef2715f295.exe	83
PID 4992 wrote to memory of 232	4992	4581fece80e747e070af7af90177ab513b4eb56257f7ee37e9446fef2715f295.exe	83
PID 4992 wrote to memory of 1020	4992	4581fece80e747e070af7af90177ab513b4eb56257f7ee37e9446fef2715f295.exe	84
PID 4992 wrote to memory of 1020	4992	4581fece80e747e070af7af90177ab513b4eb56257f7ee37e9446fef2715f295.exe	84
PID 4992 wrote to memory of 1020	4992	4581fece80e747e070af7af90177ab513b4eb56257f7ee37e9446fef2715f295.exe	84
PID 4992 wrote to memory of 1912	4992	4581fece80e747e070af7af90177ab513b4eb56257f7ee37e9446fef2715f295.exe	87
PID 4992 wrote to memory of 1912	4992	4581fece80e747e070af7af90177ab513b4eb56257f7ee37e9446fef2715f295.exe	87
PID 4992 wrote to memory of 1912	4992	4581fece80e747e070af7af90177ab513b4eb56257f7ee37e9446fef2715f295.exe	87
PID 1912 wrote to memory of 428	1912	cmd.exe	89
PID 1912 wrote to memory of 428	1912	cmd.exe	89
PID 428 wrote to memory of 1544	428	3717206.exe	90
PID 428 wrote to memory of 1544	428	3717206.exe	90
PID 1544 wrote to memory of 1388	1544	cmd.exe	92
PID 1544 wrote to memory of 1388	1544	cmd.exe	92
PID 1388 wrote to memory of 2524	1388	cmd.exe	94
PID 1388 wrote to memory of 2524	1388	cmd.exe	94
PID 4992 wrote to memory of 3068	4992	4581fece80e747e070af7af90177ab513b4eb56257f7ee37e9446fef2715f295.exe	95
PID 4992 wrote to memory of 3068	4992	4581fece80e747e070af7af90177ab513b4eb56257f7ee37e9446fef2715f295.exe	95
PID 4992 wrote to memory of 3068	4992	4581fece80e747e070af7af90177ab513b4eb56257f7ee37e9446fef2715f295.exe	95
PID 4992 wrote to memory of 1664	4992	4581fece80e747e070af7af90177ab513b4eb56257f7ee37e9446fef2715f295.exe	97
PID 4992 wrote to memory of 1664	4992	4581fece80e747e070af7af90177ab513b4eb56257f7ee37e9446fef2715f295.exe	97
PID 4992 wrote to memory of 1664	4992	4581fece80e747e070af7af90177ab513b4eb56257f7ee37e9446fef2715f295.exe	97
PID 4992 wrote to memory of 1664	4992	4581fece80e747e070af7af90177ab513b4eb56257f7ee37e9446fef2715f295.exe	97
PID 3068 wrote to memory of 3788	3068	cmd.exe	98
PID 3068 wrote to memory of 3788	3068	cmd.exe	98
PID 3068 wrote to memory of 3788	3068	cmd.exe	98

C:\Users\Admin\AppData\Local\Temp\4581fece80e747e070af7af90177ab513b4eb56257f7ee37e9446fef2715f295.exe
"C:\Users\Admin\AppData\Local\Temp\4581fece80e747e070af7af90177ab513b4eb56257f7ee37e9446fef2715f295.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4992
- C:\Windows\SysWOW64\cmd.exe
  cmd /c mkdir "\\?\C:\Windows "
  2⤵
  - System Location Discovery: System Language Discovery
  PID:232
- C:\Windows\SysWOW64\cmd.exe
  cmd /c mkdir "\\?\C:\Windows \System32"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1020
- C:\Windows\SysWOW64\cmd.exe
  cmd /c "C:\Windows \System32\3717206.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1912
- - C:\Windows \System32\3717206.exe
    "C:\Windows \System32\3717206.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:428
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\windows \system32\KDECO.bat""
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1544
    - - C:\Windows\system32\cmd.exe
        
        cmd /c powershell.exe -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users'"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:1388
      - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        powershell.exe -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users'"
        6⤵
        Command and Scripting Interpreter: PowerShell
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:2524
- C:\Windows\SysWOW64\cmd.exe
  cmd /c extrac32.exe /C /Y C:\Users\Admin\AppData\Local\Temp\4581fece80e747e070af7af90177ab513b4eb56257f7ee37e9446fef2715f295.exe C:\\Users\\Public\\Libraries\\Refihqhp.PIF
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3068
- - C:\Windows\SysWOW64\extrac32.exe
    extrac32.exe /C /Y C:\Users\Admin\AppData\Local\Temp\4581fece80e747e070af7af90177ab513b4eb56257f7ee37e9446fef2715f295.exe C:\\Users\\Public\\Libraries\\Refihqhp.PIF
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3788
- C:\Windows\SysWOW64\colorcpl.exe
  C:\Windows\System32\colorcpl.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1664

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
9a7518f2ab9a7657f4c7e42df8ec2c02

SHA1
38a644089d5d0f63fec92f2a0a8aebab1aea40b9

SHA256
84afb0775f4f2e0a915e3e9b8a6d781ce3e03f7a124e219a53fbe52d811193a5

SHA512
2ca6442d22eda4b1ce1610e163f2c3503ac1603ec2218433e3f595b88bd0fd64b573f53e80d82c4f58248c6e8ac81f47e9081466ae03dbb6eb8fbdc686889e39

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1mapkxxt.4pp.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Windows \System32\3717206.exe

Filesize
128KB

MD5
231ce1e1d7d98b44371ffff407d68b59

SHA1
25510d0f6353dbf0c9f72fc880de7585e34b28ff

SHA256
30951db8bfc21640645aa9144cfeaa294bb7c6980ef236d28552b6f4f3f92a96

SHA512
520887b01bda96b7c4f91b9330a5c03a12f7c7f266d4359432e7bacc76b0eef377c05a4361f8fa80ad0b94b5865699d747a5d94a2d3dcdb85dabf5887bb6c612

Download Submit
C:\Windows \System32\netutils.dll

Filesize
113KB

MD5
a91ed17621b9c404ff14637be8a07cf4

SHA1
d26efbab42a7e474327f9cba302b8bf734333fed

SHA256
62a858af2acfc4ded74db09cfb398030628edcba3d09da0eb483207f1618e40a

SHA512
5fa1fad4dcef80f9818ec5f9149f876e8283c550f302d2054dd36583475704e33a7ee83476a9fbfa7fb9994cdb6d1a5b5e6e1c335b86b7911d28402aa6273351

Download Submit
C:\windows \system32\KDECO.bat

Filesize
11KB

MD5
c545650595b479c81ad6b9d8882aae39

SHA1
7a98aa2e6eee23b3c1bba876955d525bc618b3f0

SHA256
a3a80983cb33159f0455fa0135789402558baa1460db94d0071318512b8cb5f9

SHA512
85ac596a7da9072a28c4178e4fdedc98f1b49c8e3fe5612cfe464833297b13f65d2dc59b52d7fc9970cff8f98d954111229aec0ed9dded454e03b0cf4ebb6ff3

Download Submit
memory/428-16-0x00000000613C0000-0x00000000613E3000-memory.dmp

Filesize
140KB

Download
memory/1664-67-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-45-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-40-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-41-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-42-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-43-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-44-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-72-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-46-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-48-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-49-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-50-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-51-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-52-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-53-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-54-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-56-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-57-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-58-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-59-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-60-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-61-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-63-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-64-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-65-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-66-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-35-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-68-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-69-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-71-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-74-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-73-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-39-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-75-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-76-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-77-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-99-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-79-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-80-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-81-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-82-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-83-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-84-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-86-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-87-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-88-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-89-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-90-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-91-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-92-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-94-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-95-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-96-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-97-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/1664-98-0x0000000000E00000-0x0000000001E00000-memory.dmp

Filesize
16.0MB

Download
memory/2524-23-0x000002572C680000-0x000002572C6A2000-memory.dmp

Filesize
136KB

Download
memory/4992-0-0x0000000002520000-0x0000000002521000-memory.dmp

Filesize
4KB

Download
memory/4992-1-0x0000000003FD0000-0x0000000004FD0000-memory.dmp

Filesize
16.0MB

Download
memory/4992-2-0x0000000003FD0000-0x0000000004FD0000-memory.dmp

Filesize
16.0MB

Download
memory/4992-5-0x0000000002520000-0x0000000002521000-memory.dmp

Filesize
4KB

Download
memory/4992-4-0x0000000000400000-0x000000000053E000-memory.dmp

Filesize
1.2MB

Download